Year	current US$
2001	1750000
2002	1640000
2003	1910000
2004	9070000
2005	15530000
2006	25040000
2007	47600000
2008	47840000
2009	36210000
2010	36740000
2011	51680000
2012	51910000
2013	50410000
2014	45570000
2015	48110000
2016	57150000
2017	59230000
2018	64920000
2019	67670000
2020	72020000
2021	86390000
2022	243260000